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Neuro Atlas

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NEUROANATOMY<br />

Radial Nerve in Arm and Nerves of Posterior Shoulder<br />

Dorsal scapular nerve (C5)<br />

Posterior view<br />

Supraspinatus muscle<br />

Suprascapular nerve (C5, 6)<br />

Levator scapulae<br />

muscle (supplied<br />

also by branches<br />

from C3 and C4)<br />

Deltoid muscle<br />

Teres minor muscle<br />

Axillary nerve (C5, 6)<br />

Rhomboid<br />

minor muscle<br />

Rhomboid<br />

major muscle<br />

Superior lateral<br />

cutaneous nerve of arm<br />

Radial nerve<br />

(C5, 6, 7, 8, T1)<br />

Inconstant contribution<br />

Inferior lateral<br />

cutaneous nerve of arm<br />

Infraspinatus muscle<br />

Teres major muscle<br />

Lower subscapular nerve (C5, 6)<br />

Posterior cutaneous nerve of arm<br />

(branch of radial nerve in axilla)<br />

Triceps brachii muscle<br />

Long head<br />

Lateral head<br />

Medial head<br />

Posterior cutaneous<br />

nerve of forearm<br />

Lateral intermuscular<br />

septum<br />

Brachialis muscle (lateral<br />

part; remainder of muscle<br />

supplied by musculocutaneous<br />

nerve)<br />

Brachioradialis muscle<br />

Triceps brachii tendon<br />

Medial epicondyle<br />

Olecranon<br />

Anconeus muscle<br />

Extensor digitorum muscle<br />

Extensor carpi radialis<br />

longus muscle<br />

Extensor carpi<br />

radialis brevis<br />

muscle<br />

Extensor carpi ulnaris muscle<br />

46

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